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Titanium dioxide is white, so it's often used as a pigment. I personally know that it is often found in white paint. According to the wikipedia article, found at http://www.answers.com/topic/titanium-dioxide, it is also used in most sunscreens because it has "a high refractive index." This makes sense because it's white--it reflects lots of light.

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16y ago

What else can I help you with?